Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 04.04.2007
 
 beginning time = 1377 min.(UT), 22:57 UT
 Xbegin =         -5.686 nT
 time of max =    1405 min.(UT), 23:25 UT
 Xmax =            6.894 nT
 Y at Xmax =      -2.326 nT
 endtime =        1457 min.(UT), 24:17 UT
 Xend =           -3.868 nT
 amplitude =      12.580 nT
 base duration time = 80 min.
 2sigma =          4.360 nT
 duration at 2sigma = 29 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0